Flash firmware on Vivo V20 2021
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How to flash Vivo V20 2021?
Why reinstall the firmware?
Errors constantly appear in the Android operating system.
Some applications stop opening.
Many programs from the Play Market do not start.
The phone turns off for no apparent reason.
The phone began to work slowly.
You are not satisfied with the functionality of the stock (official) firmware.
Where can I find the firmware?
On the official website of the manufacturer.
On specialized services on which developers lay out custom or official OS.
What should be done before installing the firmware?
Back up your contacts and user data and transfer it to your computer.
Insert your SD card into your phone. It must have enough memory to fit the firmware.
Determine your smartphone model.
Fully charge your device's battery.
Download the archive with Firmware and place it on the SD card.
Installing TWRP Recovery
Download the Official TWRP App to your phone from the Play Market. And install this app.
When you start the application for the first time, you must agree to install a new firmware and all the risks associated with this, as well as agree to grant the application Superuser rights and click the 'OK' button.
In the next screen, select the item 'TWRP FLASH' and provide the application with root-rights.
On the main screen of the application, click on the 'Select Device' drop-down list, and select your phone model.
After selecting the phone, the application will redirect the user to a web page to download the modified recovery environment image file. Download the proposed *.img file.
When the file is loaded, return to the main screen of the Official TWRP App and press the 'Select a file to flash' button. Select the file downloaded in the previous step.
Press the 'FLASH TO RECOVERY' button and confirm your choice, press 'OK'.
When the message 'Flash Completed Succsessfuly!' appears on the screen. Click the 'OK' button. The TWRP installation procedure is now complete.
Write the firmware and other necessary files to the SD card. Using a PC or laptop card reader, it will be much faster.
Insert a SD memory card into the phone.
To reboot into recovery, you need to use a special item in the Official TWRP App menu, accessible by pressing the button with three stripes in the upper left corner of the main screen of the application. Open the menu and select the 'Reboot' item, and then click on the 'REBOOT RECOVERY' button.
Firmware via TWRP
Before flashing, it is recommended to clear the 'Cache' and 'Data' sections. This will delete all user data from the device, but avoid a wide range of software errors and other problems. You must press 'WIPE' on the main screen.
Now you can start flashing. Press the 'Install' button.
The file selection screen is displayed. At the very top is the 'Storage' button, select the location where the firmware file is located.
Select the location where you copied the files. Press the 'OK' button.
Find the file we need and click on it. A screen opens with a warning about possible negative consequences, you need to check the item 'Zip signature verification', which will avoid using corrupted files when writing to the phone's memory sections.
The procedure for writing files to the phone's memory will begin, accompanied by logging and filling in the progress bar.
After completing the installation procedure, a 'Successful' message appears on the screen.
Summary: OS: Android 11; Processor: Qualcomm Snapdragon 730G; Processor clock: 2.30 GHz; Number of cores: 8; GPU: Adreno 618; RAM: 8 GB; Internal memory: 128 GB, 256 GB; Interface: Funtouch 11; Memory cards: yes; microSD, microSDHC, microSDXC; Display: Color / AMOLED; 16M colors, 60 Hz; 1080 x 2400 px (6.44") 409 ppi; 83.7% screen-to-body ratio; Display protection: yes; Type: Standard; Photo matrix: 64 Mpx; Flash: 2x LED; Digital zoom: yes; Video formats: H.264, H.265, MPEG4 - 30 fps; Video resolution: 3840x2160; Additional: AF, f/1.89; Type: Portrait; Photo matrix: 44 Mpx; Flash: yes; Digital zoom: yes; Focal length: 150 mm; Additional: AF, f/2.0; A-GPS: yes; GPS module: yes; Bluetooth: yes v5.1; E ...
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